71902 CD/P4A Super Precision High Capacity Single Row Angular Contact Ball Bearing with P4A Precision Grade
71902 CD/P4A 15×28×7 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing - High Speed
Super-precision, high-capacity, single row angular contact ball bearing featuring precise dimensions, high static load capacity, and P4A precision grade. Delivers superior performance and reliability for applications requiring high rotational accuracy and stability.
| Part Number | 71902 CD/P4A |
| Bearing Type | Angular Contact |
| Measurement Unit | Metric |
| Inner Bore Diameter (d) | 15 mm |
| Inner Bore Diameter Tolerance | -0.004mm to 0 |
| Outer Bore Diameter (D) | 28 mm |
| Outer Bore Diameter Tolerance | -0.005mm to 0 |
| Width (B) | 7 mm |
| Width Tolerance | -0.2mm to 0 |
| Contact Angle | 15° (25°, 40° Available) |
| Material | Chrome Steel |
| Cage Material | Phenolic |
| Number of Rows | 1 Single Row |
| Seal Type | Open |
| Temperature Range | -30°C to 150°C |
| Lubrication | Grease or Oil |
| Tolerance Class | P4A better than P4 (ABEC-7) |
| Weight | 0.015 kg |
| Dynamic Radial Load | 3970 N |
| Static Radial Load | 1900 N |
| Reference Speed For Grease | 60,000 rpm |
| Limiting Speed For Oil | 90,000 rpm |
- Very tight tolerances suitable for precise machinery
- Ability to handle both radial and axial loads simultaneously
- High-speed operation with stability
- Low torque and friction for energy efficiency
- Enhanced rigidity for accuracy under heavy loads
- Durability with extended service life
- Effective performance across wide temperature range
The 71902 CD/P4A bearing is designed for high load capacity and reliability, finding extensive use across various industries including:
- Smelting equipment for stable operations
- Dairy machinery for enhanced precision and reliability
- High-frequency, automatic, and ultrasonic welding machines
- Leather processing equipment for increased accuracy
- Compressors and veterinary instruments
- Plastic molding machines and rubber extruders
- Desulfurization and dust removal systems
- Wet cooling towers
Its versatility and robust performance make it essential for applications ranging from industrial manufacturing and environmental protection to agricultural machinery and medical devices.
| Certifications | RoHS & REACH, IATF16949:2016 |
| Features | High Speed and Stiffness, High Running Accuracy, High Load Carrying Capacity |
| Services | OEM & ODM Customized Services, Online Support, Professional Service |
| Samples | Please Contact Us |
| Size Availability | Standard sizes available, custom sizes upon request |
| Manufacturer | Factory Manufacturer |
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